Artouste III B Engine powers both Cheetah and Chetak Helicopters. Manufacture of the Engine commenced in 1962 under licence from Turbomeca, France.

The Engine has side air intake, one axial and one centrifugal compressor connected to a three-stage Turbine. The power output is 550 SHP at 33500 RPM. The reduction Gearbox in the front transfers the power to Helicopter. More than 665 Engines have been manufactured and 2950 Engines overhauled and repaired for various Customers.